111323401040 has 40 divisors (see below), whose sum is σ = 258840796968. Its totient is φ = 44526970880.

The previous prime is 111323401039. The next prime is 111323401073. The reversal of 111323401040 is 40104323111.

It can be written as a sum of positive squares in 4 ways, for example, as 3440057104 + 107883343936 = 58652^2 + 328456^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×111323401040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840780 + ... + 2879700.

Almost surely, 2^111323401040 is an apocalyptic number.

111323401040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111323401040 is an abundant number, since it is smaller than the sum of its proper divisors (147517395928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111323401040 is a wasteful number, since it uses less digits than its factorization.

111323401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74687 (or 74681 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111323401040 its reverse (40104323111), we get a palindrome (151427724151).

The spelling of 111323401040 in words is "one hundred eleven billion, three hundred twenty-three million, four hundred one thousand, forty".